Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 5 11.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 05/11/2022   16:56:33   (  71.87, -75.21) 05/11/2022   16:57:14  (  71.90, -75.18)    3.20                41
 05/11/2022   17:47:17   ( -71.81,  92.23) 05/11/2022   17:46:44  ( -71.78,  92.25)    3.19                33
 05/14/2022   08:23:38   ( -71.89,-127.00) 05/14/2022   08:24:18  ( -71.90,-126.94)    2.05                40
 05/14/2022   09:14:22   (  71.79,  40.51) 05/14/2022   09:13:45  (  71.81,  40.54)    2.52                37
 05/16/2022   23:50:44   (  71.88,-178.73) 05/16/2022   23:51:21  (  71.86,-178.77)    2.66                37
 05/17/2022   00:41:28   ( -71.81, -11.28) 05/17/2022   00:40:50  ( -71.80, -11.23)    1.83                38
 05/19/2022   15:17:50   ( -71.90, 129.48) 05/19/2022   15:18:25  ( -71.90, 129.54)    2.02                35
 05/19/2022   16:08:34   (  71.80, -63.02) 05/19/2022   16:07:52  (  71.80, -62.99)    1.34                42
 05/22/2022   06:44:56   (  71.91,  77.72) 05/22/2022   06:45:27  (  71.88,  77.76)    2.88                31
 05/22/2022   07:35:39   ( -71.78,-114.73) 05/22/2022   07:34:57  ( -71.78,-114.79)    2.35                42
 05/24/2022   22:12:00   ( -71.88,  26.02) 05/24/2022   22:12:30  ( -71.90,  26.03)    2.33                30
 05/24/2022   23:02:44   (  71.79,-166.49) 05/24/2022   23:01:57  (  71.80,-166.50)    1.32                47